8701960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 21150720

約数和(自身を除く): 12448760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 191, 268, 335, 340, 382, 536, 670, 680, 764, 955, 1139, 1340, 1528, 1910, 2278, 2680, 3247, 3820, 4556, 5695, 6494, 7640, 9112, 11390, 12797, 12988, 16235, 22780, 25594, 25976, 32470, 45560, 51188, 63985, 64940, 102376, 127970, 129880, 217549, 255940, 435098, 511880, 870196, 1087745, 1740392, 2175490, 4350980, 8701960]

約数ペア:

[(1, 8701960), (2, 4350980), (4, 2175490), (5, 1740392), (8, 1087745), (10, 870196), (17, 511880), (20, 435098), (34, 255940), (40, 217549), (67, 129880), (68, 127970), (85, 102376), (134, 64940), (136, 63985), (170, 51188), (191, 45560), (268, 32470), (335, 25976), (340, 25594), (382, 22780), (536, 16235), (670, 12988), (680, 12797), (764, 11390), (955, 9112), (1139, 7640), (1340, 6494), (1528, 5695), (1910, 4556), (2278, 3820), (2680, 3247)]